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Energy concentration

The accumulation of acids in the rumen from the fermentation of large quantities of carbohydrates (starches or sugars) leads to a decrease in ruminal pH that may lead to sub-acute rumen acidosis or clinical acidosis. Clinical acidosis is often found in dairy cows with a high genetic potential at the start of lactation.

 

A necessity with consequences for the rumen

The energy requirements of highly productive dairy cows mean they need to ingest very large quantities of organic material which are rapidly fermented in the rumen. Subclinical acidosis mainly occurs with diets that are rich in cereals or based on maize silage, but can also occur while grazing on young grass with high sugar levels.

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